Formation of solar cells based on Ba0.5Sr0.5TiO3 (BST) ferroelectric thick film

Irzaman, Irzaman; Syafutra, Heriyanto; Arif, Ardian; Alatas, Husin; Hilaluddin, Muhammad Nur; Kurniawan, Ade; Iskandar, Johan; Dahrul, Muhammad; Ismangil, Agus; Yosman, Dani; Prasetyo, L. B.; Yusuf, Arbai; Kadri, T. M.

doi:10.1063/1.4866724

Cited by 15 publications

(13 citation statements)

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“…In addition, the particle distribution size of BST 0.45 is 134.93 nm which is smaller than BST 0.25 which gives 186.26 nm, BST 0.35 gives a value of 467.86 nm, and BST 0.55 is 407.49 nm [34].…”

Section: Results and Applicationsmentioning

confidence: 99%

“…BST thin films of the modified spin coating method resulting in a dielectric constant of 2-18 and conductivity values of 1.6 × 10 S/cm at the voltages of 1-4 V [34]. In addition, the particle distribution size of BST 0.45 is 134.93 nm which is smaller than BST 0.25 which gives 186.26 nm, BST 0.35 gives a value of 467.86 nm, and BST 0.55 is 407.49 nm [34].…”

Section: Results and Applicationsmentioning

confidence: 99%

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Modified Spin Coating Method for Coating and Fabricating Ferroelectric Thin Films as Sensors and Solar Cells

Irzaman¹,

Syafutra²,

Siskandar³

et al. 2017

Thin Film Processes - Artifacts on Surface Phenomena and Technological Facets

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Spin coating process with a modified spin coater is performed well, especially the second generation of modified spin coater, which has a maximum value of 18,000 rpm, is able for manufacturing/coating photonic crystal-based ferroelectric thin films that require a high angular velocity (rpm). Ferroelectric thin films that use both 3000 and 6000 rpm have given good results in energy gap, electrical conductivity, etc. In addition, the modified spin coater has also produced several applications such as sensors in the device of blood sugar level noninvasively, sensors in the automatic drying system, sensors in the robotic system, and photovoltaic cells in the system of solar cells/panels which are being developed at present. These applications used ferroelectric material such as barium strontium titanate (BST), lithium niobate (LiNbO 3 ), cuprous oxide (CuO), and lithium tantalate (LiTaO 3 ).

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Section: Results and Applicationsmentioning

confidence: 99%

Section: Results and Applicationsmentioning

confidence: 99%

Modified Spin Coating Method for Coating and Fabricating Ferroelectric Thin Films as Sensors and Solar Cells

Irzaman¹,

Syafutra²,

Siskandar³

et al. 2017

Thin Film Processes - Artifacts on Surface Phenomena and Technological Facets

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show abstract

“…It is also an attractive material for integrated-optic applications due to its nonlinear optical properties, large electroptic and piezoelectric coefficient and its superior resistance to laser-induced optical damage. Thus, LiTaO 3 is a ferroelectric crystal that undergoes high Curie temperature of 608°C, and it also has high melting temperature at 1650°C [15]. Figure 10 shows that the energy gaps of undoped, 5% La doped, and 10% La-doped thin films are 2.550, 2.020, and 2.199 eV, respectively.…”

Section: La-doped Lithium Tantalite Thin Filmsmentioning

confidence: 95%

“…The reason why the reflectance intensity decreases for the 10% lanthanum doping is due to the increase in the constituent atoms, which in turn increases the collision between light particle and atoms; therefore, it becomes more difficult for the light to pass through. The less transparent the film leads to higher absorbance value and damping constant and thus the lower the transmittance value [14,15].…”

Section: La Doped Lithium Niobate Thin Filmsmentioning

confidence: 99%

The Effects of Lanthanum Dopant on the Structural and Optical Properties of Ferroelectric Thin Films

Irzaman¹,

Hardhienata²,

Maddu³

et al. 2017

Rare Earth Element

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This chapter presents the effect of lanthanum (La) dopant on the structural and optical properties of the following ferroelectric thin films: barium strontium titanate (Ba 0.5 Sr 0.5 TiO 3 ) (BST), lithium tantalate (LiTaO 3 ), and lithium niobate (LiNbO 3 ). We applied X-ray diffraction, Fourier transform infrared spectroscopy (FTIR), and in some cases, atomic force microscopy to investigate the structural properties, functional groups, and particle size, as well surface roughness of these lanthanum-doped thin films, respectively, whereas ultra violet-visible (UV-Bis) spectrometer was applied to investigate the optical bandgap of the La-doped thin films. The results are in agreement with other previously researcher studies using different substrate materials. In general, the effect of La dopant highly affects both the structural and optical properties, changing significantly the grain size, surface roughness, and energy gap, and in certain cases, such as BST doped by La can change the material electric properties from insulator to semiconductor. Therefore, La-doped thin films may offer promising applications in the future.

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“…We ourselves have prepared our ferroelectric materials mostly using chemical solution deposition methods and coupled with spin-coating methods, usually for 30 s, with rotational speed of 2000-8000 rpm [3,4,6,7,11,18,19,23,27,29]. Other preparation methods researchers have used include pulsed laser ablation deposition (PLAD), DC magnetron unbalanced magnetron sputtering (DC UBMS), solid solution methods, plasma-assisted metal-organic chemical vapour deposition (PAMOCVD) and sol-gel method [2,9,14,27,30,31].…”

Section: Ferroelectrics Materialsmentioning

confidence: 99%